Equation for the Force is mass x acceleration.
The mass of the ball: 0.2 kg.
The acceleration of the ball upon being hit: 29 m/s^2.
The force is ???
Force = (0.2 kg) x (29m/s^2)
Force = 5.8 Newtons
Therefore, the 0.2 kg ball was hit with 5.8 Newtons of force, which caused it to accelerate 29 meters per second, per second.
