9. [-/2 Points] DETAILS A stunt performer swings on a 32.0 m long vine initially inclined at an angle of 31.0 with the vertical. (Assume the vine has negligible mass.) (a) What is the stunt performer's speed (in m/s) at this bottom of the swing if she starts from rest? m/s (b) What is the stunt performer's speed (in m/s) at the bottom of the swing if instead she pushes off with a speed of 4.40 m/s? m/s Need Help? Read It