(2021.24)

By computing the area under the acceleration vs. time graph for a fixed time interval of an object’s motion, what quantity has been determined for that object?

选项：

A:

The average velocity during the time interval

B:

The velocity at the end of the time interval

C:

The average speed during the time interval

D:

The change in velocity during the time interval

E:

The velocity at the time midway through the time interval