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- https://www.iaaf.org/athletes/australia/sally-pearson-194553
- http://sallypearson.com.au/biography
- http://sallypearson.com.au/achievements
- http://sallypearson.com.au/profile
- http://www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/forces/speedrev1.shtml
- https://www.iaaf.org/disciplines/hurdles/100-metres-hurdles
- http://hurdlesfirstbeta.com/free-articles/training-tips/sprint-speed-vs-hurdle-speed/
- http://www.brianmac.co.uk/hurdles/
- http://www.physicsclassroom.com/class/1DKin/Lesson-1/Acceleration
- http://schooltutoring.com/help/concepts-of-motion-displacement-velocity-and-acceleration/
- http://www.differencebetween.com/difference-between-acceleration-and-vs-deceleration/
- http://www.athletesacceleration.com/110100meterhurdle.html
- http://hurdlesfirstbeta.com/free-articles/training-tips/accelerating-off-the-hurdle/
- http://speedendurance.com/2014/04/21/why-acceleration-is-more-important-than-top-speed-in-most-sports/
- http://www.ducksters.com/science/physics/acceleration.php
- https://www.britannica.com/biography/Isaac-Newton
- http://www.anglotopia.net/british-history/great-britons-sir-isaac-newton-man-laid-foundations-modern-science/
- http://www.biography.com/people/isaac-newton-9422656#professional-life
- http://www.physicsclassroom.com/class/newtlaws/Lesson-1/Newton-s-First-Law
- https://sites.google.com/a/student.brookfieldps.org/physics-of-track-field/hurdles
- http://www.ptonthenet.com/articles/sports-performance-analysis-100m-sprint-1432
- http://lsakelseyc1.weebly.com/newtons-law.html
- https://sites.google.com/a/student.brookfieldps.org/physics-of-track-field/hurdles
- http://www.livestrong.com/article/369714-how-does-the-body-maintain-homeostasis-in-response-to-exercise/
- http://www.livescience.com/32750-why-do-athletes-train-at-high-altitudes.html
- http://www.over40runner.com/info/RunningInTheHeat.html
- https://www.iaaf.org/athletes/australia/sally-pearson-194553
- http://sallypearson.com.au/biography
- http://sallypearson.com.au/achievements
- http://sallypearson.com.au/profile
- http://www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/forces/speedrev1.shtml
- https://www.iaaf.org/disciplines/hurdles/100-metres-hurdles
- http://hurdlesfirstbeta.com/free-articles/training-tips/sprint-speed-vs-hurdle-speed/
- http://www.brianmac.co.uk/hurdles/
- http://www.physicsclassroom.com/class/1DKin/Lesson-1/Acceleration
- http://schooltutoring.com/help/concepts-of-motion-displacement-velocity-and-acceleration/
- http://www.differencebetween.com/difference-between-acceleration-and-vs-deceleration/
- http://www.athletesacceleration.com/110100meterhurdle.html
- http://hurdlesfirstbeta.com/free-articles/training-tips/accelerating-off-the-hurdle/
- http://speedendurance.com/2014/04/21/why-acceleration-is-more-important-than-top-speed-in-most-sports/
- http://www.ducksters.com/science/physics/acceleration.php
- https://www.britannica.com/biography/Isaac-Newton
- http://www.anglotopia.net/british-history/great-britons-sir-isaac-newton-man-laid-foundations-modern-science/
- http://www.biography.com/people/isaac-newton-9422656#professional-life
- http://www.physicsclassroom.com/class/newtlaws/Lesson-1/Newton-s-First-Law
- https://sites.google.com/a/student.brookfieldps.org/physics-of-track-field/hurdles
- http://www.ptonthenet.com/articles/sports-performance-analysis-100m-sprint-1432
- http://lsakelseyc1.weebly.com/newtons-law.html
- https://sites.google.com/a/student.brookfieldps.org/physics-of-track-field/hurdles
- http://www.livestrong.com/article/369714-how-does-the-body-maintain-homeostasis-in-response-to-exercise/
- http://www.livescience.com/32750-why-do-athletes-train-at-high-altitudes.html
- http://www.over40runner.com/info/RunningInTheHeat.html