A hawk flies in a horizontal arc of radius 11.7 m at a constant speed 3.90 m/s. (a) Find its centripetal acceleration. 1Your answer is correct.

A hawk flies in a horizontal arc of radius 11.7 m at a constant speed 3.90 m/s.(a) Find its centripetal acceleration.1Your answer is correct. m/s2(b) It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.40 m/s2. Find the acceleration in this situation at the moment the hawk's speed is 3.90 m/s.magnitude