Question

Fred runs 200 metres in 21.2 seconds. What is Fred's average speed?

Answer 1

It is `9.43` m/s.

Explanation:

The speed is defined as the space divided by time.

`v=s/t`

In your case the space is `s=200` m and time is `t=21.2` s.
The velocity is

`v=200/21.2\approx9.43` m/s.