Question and answers are seen in the screen shot, (I accidentally clicked on an answer so the one I chose i don’t think is correct..also sorry if subject is wrong)

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.