The graph shows the height(t) of a model rocket t seconds after it is launched from the ground at 48 feet per second. Where is the height of the rocket increasing? Where is it decreasing? A. The height of the rocket is always decreasing

B. The height of the rocket is always increasing

C. The height of the rocket is increasing when 0< t < 3 and decreasing when 3 < t < 6.

D. The height of the rocket is increasing when 3 < t< 6 and decreasing when 0 < t < 3