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2. [-/0.7 Points] DETAILS LARCALCET7 3.7.042. 0/3 Submissions Used MY NOTES ASK YOUR TEACHER An airplane flies at an altitude of y = 2 miles toward a point directly over an observer (see figure). The speed of the plane is 400 miles per hour. Find the rates (in radians per hour) at which the angle of elevation 0 is changing when the angle is 0 = 450, 0 = 60, and 0 = 750. y mi 1-10 Not drawn to scale (a) 0 = 450 rad/hr (b) 0 = 60 rad/hr (c) 0 = 750 (Round your answer to two decimal places.) rad/hr