Create a new code called bungee jump res that solves Equations $(1)$ and $(2)$ for an

input vector p $=\{$m$,$ Cd$,$ k$\},$ and returns a vector of residuals, called res, between the

observed, bx$($t$),$ and simulated, x$($t$)$ positions of the jumper, thus res$($t$)=$ bx$($t$)$ x$($t$,$ p$).$

The function should equate to something like