Answer
We can see the graphs of $x(t), v(t),$ and $a(t)$ below.
Work Step by Step
$x(t) = 20t - 5t^3$
$vt) = 20-15t^2$
$a(t) = -30t$
We can see the graphs of $x(t), v(t),$ and $a(t)$ below.
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