Afly undergoes a displacement of -5.80 m while accelerating at -1.33m/s^2 for 4.22 s what was the initial velocity of the fly?

The fly's average velocity over the 4.22 second interval is

If the fly's acceleration is uniform over the interval, then we also have

With the given acceleration we can get another relation involving the initial and final velocities:

Solving this system, in particular for , we find

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