A Baseball Thrown from the Outfield Is Released from Shoulder $\degree$

Multiple Choice

A baseball thrown from the outfield is released from shoulder height at an initial velocity of 39.2 m/s at an initial angle of 30.0 $\degree$ with respect to the horizontal. If it is in its trajectory for a total of 4.00 s before being caught by the third baseman at an equal shoulder-height level, what is the ball's net vertical displacement during its 4.00-s trajectory?

A) 11.0 m
B) 9.80 m
C) 22.1 m
D) zero