In 2009, usain bolt of jamaica set a world record of 9.58s in the 100m dash. what was his average speed?

Answer:His average speed is 10.43 m/s.Explanation:Given that,Distance covered by Usain bolt, d = 100 mTime taken, t = 9.58 sWe need to find his average speed. It can be calculated using the formula of average speed as :[tex]v=\dfrac{d}{t}[/tex][tex]v=\dfrac{100\ m}{9.58\ s}[/tex]v = 10.43 m/sSo, his average speed is 10.43 m/s. Hence, this is the required solution.

speed is distance / timeand so 100m / 9.58 s = 10.4 m/s