Carlos and Katherine are estimating acce...

Carlos and Katherine are estimating acceleration by rolling a ball from rest down a ramp. At 1 second, the ball is moving at 5 meters per second (m/s), at 2 seconds, the ball is moving at 10 m/s, at 3 seconds, the ball is moving at 15 m/s, and at 4 seconds, it is moving at 20 m/s. When graphed on an xy-plane, which equation best describes the ball's estimated acceleration where y expresses speed and x expresses time?

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Carlos and Katherine are estimating acceleration by rolling a ball from rest down a ramp. At 1 second, the ball is moving at 5 meters per second m/s, at 2 seconds, the ball is moving at 10 m/s, at 3 seconds, the ball is moving at 15m/s, and at 4 seconds, it is moving at 20m/s. When graphed on an xy-plane, which equation best describes the ball's estimated acceleration where y expresses speed and x ecpresses time?

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