An object is moving along a straight line. The graph below shows velocity as a function of time. What is the displacement of the object in the interval from $\backslash ($ t$=\backslash )0$ s to $\backslash (\backslash$mathrm$\{$t$\}=2\backslash$mathrm$\{$~s$\}\backslash )?$

$-2\mathrm{.}0$ m

$4\mathrm{.}0$ m

$2\mathrm{.}0$ m

$-8\mathrm{.}0$ m

$8\mathrm{.}0$ m

$-4\mathrm{.}0$ m