The portion that shows a decreasing velocity is D to E.
The position time graph is used to describe the motion of a body. We know that the slope of a velocity time graph is the velocity of the graph.
If we look at the graph as shown in the image attached to the answer, we can see that the portion that shows a decreasing velocity is D to E.
Learn more about position - time graph:https://brainly.com/question/19643112
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