Question $18$

Fig. $2-10$ shows the position of an object as a function of time. What is the average speed of the object between time $t=0\mathrm{.}0s$ and time $t=9\mathrm{.}0s?$

$0\mathrm{.}11\frac{m}{s}$

$0\mathrm{.}56\frac{m}{s}$

$-0\mathrm{.}33\frac{m}{s}$

$-0\mathrm{.}11\frac{m}{s}$

$0\mathrm{.}33\frac{m}{s}$

Incorrect