What is the velocity (in (f(t)/s)) of a sandbag 2.25s after it is released from a hot-air balloon that is stationary in the air? The velocity is (f(t)/s).
a. 9.8(t) m/s
b. 4.9(t) m/s
c. 22.1(t) m/s
d. 12.3(t) m/s