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A putted golf ball (not shown to scale) rolls on a green. A black curtain blocks your view of the ball, but otherwise does not interfere with the ball's motion (position is given in meters and time is given in seconds). The animation is a side viewof the ball rolling on the green.

Analyze the velocity vs. time graph for the ball and describe the terrain of the green behind the curtain that blocks your view. Give valid reasons for your answer. Restart.

After you answer this question, check the correct answer.

Exploration authored by Aaron Titus. Script authored by Aaron Titus and Mario Belloni.