Final answer:
The change in velocity is -2 m/s. The velocity has decreased.
Step-by-step explanation:
The equation for change in velocity is given by:
Δv = vf - v1
In this equation, Δv represents the change in velocity, vf represents the final velocity, and v1 represents the initial velocity.
Given that vf = -5 m/s and v1 = -3 m/s, we can substitute these values into the equation to find the change in velocity:
Δv = (-5 m/s) - (-3 m/s) = -5 m/s + 3 m/s = -2 m/s
The change in velocity is -2 m/s. In this case, the change in velocity is negative, indicating a decrease in velocity. The velocity has decreased.
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