It seems like you're referring to a graph, but I cannot see it. To determine whether particles are moving faster, slower, or at the same speed, you'll generally want to look for the following indicators:
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Slope of a Position-Time Graph:
- If the slope is steep (moving up), the particles are moving faster.
- If the slope is less steep (flatter), the particles are moving slower.
- If the slope is constant (straight line), the particles are moving at a constant speed.
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Velocity-Time Graph:
- If the line is above the time axis (positive) and increasing, the particles are accelerating (speeding up).
- If the line is below the time axis (negative), the particles are decelerating (slowing down).
- If the line is flat (horizontal), the particles are moving at a constant speed.
If you have specific portions of a graph in mind, please describe them (like their slopes or trends), and I can help you assess whether the particles are moving faster, slower, or at a constant speed in those areas.