In the space at right, draw a vector to represent the acceleration of the ball between the points chosen above.
How is the direction of the change in velocity vector related to the direction of the acceleration vector? Explain.
Generalize your results thus for to answer the following question:
What is the relationship between the direction of the acceleration and the direction of the velocity for an object that is moving in a straight line and speeding up? Explain.
Describe the direction of the acceleration of a ball is rolling down a straight incline.
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