Velocity: A runner runs around a track consisting of two parallel lines 96 m long connected at the ends by two semicircles with a radius of 49 m. She completes one lap in 100 seconds. What is her average velocity?
A. 2.5 m/s
B. 5.0 m/s
C. 10 m/s
D. 0 m/s
E. 1.3 m/s
Answer: D
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