A tennis player tosses a tennis ball straight up and then catches it after 2.21 s at the same height as the point of release.

(a) What is the acceleration of the ball while it is in flight?
magnitude
_____ m/s2
direction
---Select---

(b) What is the velocity of the ball when it reaches its maximum height?
magnitude
_____ m/s
direction
---Select---

(c) Find the initial velocity of the ball.
____ m/s upward

(d) Find the maximum height it reaches.
____ m