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t sec 1 2 3 4 5 6
s(t) m 2 7 13 20 26 30
v(t) m/sec 4 6 10 12 8 2



A particle is moving along the y-axis according to the table above where $t$ is measured in seconds and the position, $s$, is measured in meters.

Approximate the acceleration, $a(t)$, at $t=2$ seconds.

A

$-\cfrac{2}{5}$

B

$3$

C

$5.5$

D

$6$

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