On a Position-Time Graph for a Particle,suppose the Plot Starts

question 6

Multiple Choice

On a position-time graph for a particle,suppose the plot starts at some positive position and as the time goes on the curve gets steeper and steeper while curving upwards.Which of the following must be true?

• A)The speed of the particle is constant.
• B)The acceleration of the particle is constant.
• C)The speed of the particle is decreasing.
• D)The acceleration of the particle is positive.

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