A television camera at ground level is filming at the lift-off of a space shuttle that is rising vertically according to the position equation S = 50t2, where S is measured in feet and t is measured in seconds. The camera is 2000 ft from the launch pad. What is the rate of change in the angle of elevation of the camera 10 seconds after lift-off? Select one: 1 O a. rad/sec V29 2 O b. rad/sec 29 29 O c. rad/sec 8 25 O d. rad /sec 58