A rising fastball
A)occurs only when a pitch actually exceeds 100 mph.
B)is an illusion caused by the lack of spin with a knuckleball.
C)is an illusion caused by the batters incorrect underestimation of the speed of the pitch.

Question

Quizplus · Accepted Answer

A rising fastball is not actually rising, but it appears to be rising to the batter because they are underestimating the speed of the pitch. The ball is actually following a straight path, but the batter's brain perceives it as rising because they expect it to drop due to gravity.

A Rising Fastball