What is fastest speed of human

Human can run 45 Km/hour. You know the Usain bolt. 

He is fastest human athletes in the planet. He run 100 meter in just 9.4 sec.

So what is the speed of Usain bolt.

Well there is formula for speed.

Speed= Distance/Time.
=100 meter/ 9.4
=10 meter/sec

That mean for 1 min he can run 638 meter. And in 1 hour he can run 38 km/hour.

What is Factors to attend high speed in running

Your legs must be stronger.

Professional runner spend less time on ground for each step. Mean they appling maximum for force on ground to run fast.

Suppose when we walk, we spend more time for each steps. And we appllies very less force on ground.

When we suddenly run for long time. Our legs may hurt. Because our muscle on legs are not so strong.









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