A She can run the same distance in a shorter amount of time.
Explanation:
Jill can achieve a higher average speed than Jenna if she runs the same distance in a shorter amount of time.
Speed is a physical quantity that deals with the rate of change of distance with time:
Speed = [tex]\frac{Distance traveled}{time taken}[/tex]
The distance traveled is the length of the path covered and time taken is the duration.
To achieve a higher speed, it would be desired to have a lower time and the distance covered steadily increasing or staying the same.
To achieve a low speed, the distance must be decreasing and time increasing.
Learn more:
Speed https://brainly.com/question/10435836
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