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hey are stored by pulling the lower ends of the ropes aside and attaching them to hooks at the top of the bleachers, 4.0 m above the gym floor. our mischievous student, now at the top of the bleachers, unhooks one of the ropes and swings on it like a pendulum; as he passes the low point of his swing, his feet are just above the gym floor. what is the speed of the swinging student at the low point of his swing?