Part A

Acetate flows through the nozzle at $2\mathrm{.}9f\frac{t^3}{s}.$ Consider a

particle on the $x$ axis. When $t=0,x=0.($Figure $1)$

Determine the velocity of a particle on the $x$ axis at $x=3$ in$.$

Express your answer in feet per second to three significant figures.

$u=|$~$,|f\frac{t}{s}$

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Part B

Determine the acceleration of a particle on the $x$ axis at $x=3$ in$.$

Express your answer in feet per second squared to three significant figures.

$a=$

$f\frac{t}{s^2}$

Figure