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Why are some people faster than others? 2 exercise scientists explain the secrets of running speed

By Dawn P. Coe, Associate Professor of Exercise Science, University of Tennessee
Elizabeth (Kip) Webster, Associate Professor of Exercise Science, University of Tennessee

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

Why are some people faster than others? – Jon, age 14, Macon, Georgia

Usain Bolt, the world’s fastest human, ran a 100-meter…

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