To accurately describe the cyclist's acceleration based on the velocity graph, I would need to see the graph itself. However, I can provide guidance based on common scenarios:
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Constant and non-zero acceleration: If the velocity is increasing at a steady rate, the graph would show a straight line with a positive slope.
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Acceleration going up: If the velocity is increasing at an increasing rate, the graph would show a curve that becomes steeper over time.
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Constant and zero acceleration: If the velocity remains the same (horizontal line), there is no acceleration.
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Acceleration going down: If the velocity is increasing but at a decreasing rate, the graph would show a curve that is flattening over time.
Based on your observations of the graph, you can determine which response is most accurate. If you specify the characteristics of the graph, I can help you choose the correct answer.