A train is traveling 0.9 km/min along a straight track, moving in the direction as shown in the figure below. A movie camera, 0.5 km away from the track, is focused on the train. 0 er km Train 0.5 2 km Camera (a) How fast is the distance from the camera to the train changing when the train is 2 km from the camera? Round your answer to 3 decimal places. 0.871 km per min v v (b) How fast is the camera rotating at the moment when the train is 2 km from the camera? Round your answer to 3 decimal places. 45 X radians per min v