Try this at home!
Show this to your young siblings or cousins.
Instantaneous Velocity  velocity at a single moment in time
Step 2  Find the SLOPE of the tangent line (Slope = Velocity)
Slope of tangent = ∆d/∆t = (2.5 m  .5m)/(8.8 sec  4 sec)
= .4 m/s
ŠTony Mangiacapre.,
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