An acrobat swings on a 35.5 m long rope initially inclined at an angle of 38.0° with the vertical. (Assume the rope has negligible mass.) (a) What is the acrobat's speed (in m/s) at the bottom of the swing if she starts from rest? m/s (b) What is the acrobat's speed (in m/s) at the bottom of the swing if instead she pushes off with a speed of 4.40 m/s?

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