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# Velocity of Soldier in Training

SATPHY-VJLWHT

The graph below represents the motion of a soldier during a training exercise.

What is the soldier’s average velocity during the time interval from 10 to 20 seconds?

A

$–2.0\ m/s$

B

$2.0\ m/s$

C

$0\ m/s$

D

$–10\ m/s$

E

$10\ m/s$