Finding Vi and Vf from known Vave, d, t, gravity

[Oystek]

A falling object passes 2 timing points 15mm apart.
The measured time is 0.005 seconds.
Calculated Vave is 3m/sec.
How can I calculate the values of the initial velocity Vi and the final velocity Vf?

 

[Evo]

Welcome Oystek to Member Introductions Only - No questions.

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