Speed versus time
the graph below suggests
a. a constant speed of 3 m/s followed by speed of 1 m/s
b. a constant velocity of 2 m/s followed by speed of zero
c. a constant speed of 4 m/s followed by speed of zero
d. a constant acceleration of 2 m/s followed by speed of zero
f. a constant speed of 2 m/s followed by speed of zero

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