A highway patrol drone covers 600 feet above a level straight strength of road. The pilot sees oncoming car with a radar determines that the instant the line-of-sight distance from the helicopter to the car is 1000 feet, the line of side distance is decreasing at the rate of 72 ft./s , if the speed limit is 60 miles an hour is the car speeding. Yes how much over the speed limit is the car? If not how much below the speed limit is the car.