The height above the ground attained by a football (in feet) after it is kicked is given by the equation h(t) = -16t^2 +32t, where t is the time in seconds. Which statement is true?
A. The ball returns to the ground 2 seconds after it was kicked.
B. The ball reaches a maximum height of 1 foot above the ground.
C. The height of the ball above the ground is decreasing from time t=0 to t=1 seconds
D. The height of the ball above the ground is increasing from time t=0 to t=16 seconds