Which of the following events could increase earth's temperature?

a decrease in the relative percent of greenhouse gases
planting more trees
widespread removal of tropical forests
a reduction in the use of fossil fuels

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.