The graph shows the change in velocity of an object in free fall is according to option C.
What is free falling?
When an object is released from rest in free air considering no friction, the motion is depend only on the acceleration due to gravity, g.
When an object is made to fall freely, it's velocity is only depended on the acceleration due to gravity, g. The velocity decreases till it become zero.
Thus, the correct option is C.
Learn more about free falling.
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