This video was about the science of sprinting and how you and the how fast you can go.
The first thing you need is a good start and In the old days people would start a sprint standing up. The next thing is all about the acceleration. You need to keep low at the start. The technique’s a bit like running up a staircase. Usain Bolt is the fastest man in the world his average step length in a race is a huge 2.44 metres.
How does Usain Bolt run so fast
How do sprinters train so much
Usain bolt can run really fast and trains a lot.