Does the change blow describe a change of speed, a change of direction or a change in both? pick either, 1. change of speed. 2. change of direction 3. both change in speed and direction. a car braking at a traffic light : a swinging pendulum : a moving sewing-machine needle : the tip of a spinning fan blade : a bouncing ball : a ball dropped from waist height : an elevator beginning to descend : an ice skater making a jump : a child on a merry-go-round in mid cycle : a child on a merry-go-round as it starts up :
