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A man sprints in a straight line for 50.0 m in 10.0 s, and then walks...

A man sprints in a straight line for 50.0 m in 10.0 s, and then walks slowly back to the starting line in 50.0 s. The “sprint direction” is taken to be positive. Match the answer choices with the proper average velocity or speed.

      -       A.       B.       C.       D.   

What is the average sprint velocity ?
      -       A.       B.       C.       D.   

What is the average walking velocity ?
      -       A.       B.       C.       D.   

What is the average velocity for the round trip?
      -       A.       B.       C.       D.   

What is the average speed for the round trip ?
A.

- 1.00 m/s
B.

5.00 m/s
C.

0.00 m/s
D.

1.67 m/s
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