v(t) = \frac{d}{dt}(2t^3 - 21t^2 + 60t + 3)
Now, we can find the derivative of each term:
\frac{d}{dt}(2t^3) = 6t^2 \\
\frac{d}{dt}(-21t^2) = -42t \\
\frac{d}{dt}(60t) = 60 \\
\frac{d}{dt}(3) = 0
So, the velocity function is:
v(t) = 6t^2 - 42t + 60
Now, we
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