The answer will depend on whether you want the average speed during the 3 metre drop or the instantaneous speed when it has fallen 3 m.
Chat with our AI personalities
You need to know how fast the ball is going, and divide the speed by the distance, which is 3 meters.
3 ft
89
29.4/3=9.8m/s2
a. 144 feet b. 96 ft/sec.