Question $17,3\mathrm{.}3\mathrm{.}93-$BE

Part $1$ of $5$

HW Score: $94\mathrm{.}12\%,16$ of $17$

points

Points: $0$ of $1$

The total sales of S $($in thousands of DVD$\text{'}$s$)$ of a certain movie are given by the following formula where tis the number of months since the release of the DVD$.$ Use the formula to answer the questions.

$S(t)=\frac{60t^2}{t^{2}150}$

a$)$ Find $S^{\text{'}}(t).$

$S^{\text{'}}(t)=$

$$