arzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 29 mm that makes an angle of 45∘∘ with the vertical, steps off his tree limb, and swings down and then up to Jane's open arms. When he arrives, his vine makes an angle of 30∘∘ with the vertical. Calculate Tarzan's speed just before he reaches Jane. You can ignore air resistance and the mass of the vine. Express your answer in meters per second.

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