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A golf ball is putted on a level, but wet, green. A top view is shown in the animation (position is given in meters and time is given in seconds). Restart.

1. Is the velocity of the golf ball constant, increasing, or decreasing during the interval from t = 0 to t = 5 s?
2. Is the speed of the golf ball constant, increasing, or decreasing during the interval from t = 0 to t = 5 s?
3. What does the area under the velocity vs. time graph (from zero to the curve) from t = 0 to t = 9.4 s correspond to?
4. What is the ball's average acceleration between t = 0 and t = 9.4 s?
5. Is the acceleration of the golf ball constant, increasing, or decreasing during the interval from t = 0 to t = 5 s?

Problem authored by Aaron Titus with support by the National Science Foundation under Grant No. DUE-9952323 and placed in the public domain.