Answer:
a = 448.27 [m/s²]
Step-by-step explanation:
To solve this problem we must use Newton's second law which tells us that the sum of the forces acting on a body is equal to the product of mass by acceleration.
F = m*a
where:
F = force = 65 [N] (units of Newtons)
m = mass of ball = 0.145 [kg]
a = acceleration [m/s²]
a = F/m
a = 65/0.145
a = 448.27 [m/s²]