Can you please answer this question? Thank you!

A baseball pitcher throws a baseball with a speed of 50 m/s . In throwing the baseball, the pitcher accelerates it through a displacement of about 3.5 m, from behind the body to the point where it is released (see the figure) 3.5 mEstimate the average acceleration of the ball during the throwing motion. Express your answer using two significant figures. AEQ ? m/s2