A Golf Ball Thrown Directly Upwards from the Surface of the Moon

Multiple Choice

A golf ball thrown directly upwards from the surface of the moon with an initial velocity of 14.00 meters per second and will attain a height of $s(t) =-0.8 t^{2}+14.00 t$
meters in t seconds.What is the acceleration of the golf ball at time t?

A) -1.6 meters/sec/sec
B) -1.6t meters/sec²
C) -0.8t meters/sec/sec
D) 14.00 meters/sec²