Homework: MOD 5 HW Question 7, 24.4.13 HW Score: 61.5%, 61.5 of 100 points x Points: 0 of 9 A plane flying at an altitude of 3.0 mi is at a direct distance D = \\ 9.0 +x from an airport control tower, where x is the horizontal distance to the tower. If the plane's speed is 340 milh, how fast is D changing when x = 9.4 mi? D is changing at a rate of |mith. (Do not round until the final answer. Then round to the nearest ten as needed.)