A plane flying horizontally at an altitude of 1 5 miles and at a speed of 704 mi hr passes directly over a radar station Find the rate at which the distance from the plane to the station is increasing when the distance between the plane and the station is 8 8 miles If necessary round your answer to two decimal places y I Variable t x Y N dx dt dy dt dz dt Description Time Horizontal distance the plane has traveled since time t Distance between the plane and the ground at time t Distance between the plane and the radar station at time t Rate at which a changes with respect to time Rate at which y changes with respect to time Rate at which z changes with respect to time The rate at which the distance is increasing is about mph Unit hr mi mi mi mi hr mi hr mi hr