A man stands 200 meters south of a signal. He uses a pair of binoculars to observe a car moving at 25 meters per second. When the car is 45 meters away from the signal, at what rate is the angle of the binoculars changing at that instant?
A. 0.01 rad/s
B. 0.09 rad/s
C. 0.11897 rad/s
D. 0.219 rad/s
