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**[SOLVED] Rectilinear Motion**

## Homework Statement

A car starts from rest and moves along a straight line with acceleration [itex]a=3s^{-1/3}m/s^2[/itex] where s in meters. Determine the cars acceleration at t =4 seconds.I know that I am given acceleration as a function of position. I know that by the chain rule

[tex]a=dv/dt=(dv/ds)(ds/dt)=\frac{dv}{ds}\cdot v[/tex] I am just not sure where to go from here?

Any hints?

Thanks,

Casey