Jacob W. answered • 10/05/15

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Acceleration is change in velocity over time. In equations, that looks like:

a= Δv/t= (v

_{f}-v_{i})/tWhere v

_{i}is initial velocity and v_{f}is final velocity. Plugging in the numbers we get:a=(7-23)/4= (-16)/4= -4 m/s

^{2}
Jacob W.

10/05/15