Question: During an elbow flexion exercise, the angle at the elbow relative to the right horizontal is 103 degrees at time 0.67 seconds then move to

During an elbow flexion exercise, the angle at the elbow relative to the right horizontal is 103 degrees at time 0.67 seconds then move to an angle of 89 degrees relative to the right horizontal at 0.75 seconds. What is the angular velocity of the elbow? is it -175deg, -5.0 deg/s, 175 deg/s, 5.0 deg/s

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