Find the Arc Length of the Graph of the Given $\frac{2}{3}$

Multiple Choice

Find the arc length of the graph of the given equation on the specified interval. y = $\frac{2}{3}$ ( $x^{2}$ + 1) $3 / 2$
, [2, 5]

A) $81$
B) $\frac{243}{2}$
C) $\frac{81}{2}$
D) $\frac{243}{4}$