While at soccer pratice, Abbey runs down the field at 10 meters per second. She has a constant speed and does not change direction. What is Abbey's acceleration?

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1 point
The acceleration is 0 m/s2 because her velocity did not change.
The acceleration is 10 m/s2 because her velocity increased.
The acceleration is 0 m/s2 because her velocity increased.
The acceleration is 10 m/s2 because her velocity did not change.

The acceleration is 0 m/s2 because her velocity did not change.