A sprinter can reach a speed of 9.0 m/s in 1.0 s. If the sprinter’s acceleration is constant during that time, what is the sprinter’s acceleration?

9.0 meters per second squared (9.0 meters per second every second).

To find the sprinter's acceleration, we can use the formula:

acceleration = change in velocity / time

In this case, the change in velocity is the final velocity (9.0 m/s) minus the initial velocity (0 m/s). The time taken is given as 1.0 s. Plugging in these values, we get:

acceleration = (9.0 m/s - 0 m/s) / 1.0 s
acceleration = 9.0 m/s^2

Therefore, the sprinter's acceleration is 9.0 m/s^2.