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The interior arm makes travels one radian per second. The exterior arm travels c radians per second. The exterior arm makes c revolutions for every one revolution of the interior arm.[br][br]a: length of the interior arm[br]b: length of the exterior arm[br]c: ratio of revolutions exterior arm::interior arm[br][br]Use the checkboxes to show or hide velocity vectors, additional segments, and the path of point B.