The velocity decreases during segment E to F since the slope of the curve decreases with time.
Position-time graph:
We have 5 segments in the given graph between position and time. Analyzing each segment we can conclude the following:
Segment A to B: the position remains constant as time increases, this means that the velocity is zero.
Segment B to C: the rate of increase in the position slowly becomes greater as time passes, which means velocity is increasing and the object is accelerating
Segment C to D: The rate of increase in the position is constant with respect to the rate of increase in time, the slope of the curve is constant, which means that the velocity is constant.
Segment D to E: same as the segment A to B, the velocity is zero.
Segment E to F: The rate of increase in the position slowly decreases with time, and the slope of the curve decreases with time, which means the velocity is decreasing.
Learn more about position-time graph:
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