a pilot is descending. it takes him 4 minutes to go down 3,000 feet. What's the pilot rate of change per minute.

The pilot is descending at a rate of 3,000 feet in 4 minutes. To find the rate of change per minute, we divide the change in distance (3,000 feet) by the change in time (4 minutes).

Rate of change per minute = 3000/4 = 750 feet.

Therefore, the pilot is descending at a rate of 750 feet per minute.