Answer
$3.37m$
Work Step by Step
We can find the distance covered by the suitcase as follows:
$W=f_kd$
This can be rearranged as:
$d=\frac{W}{f_k}$
$\implies d=\frac{W}{\mu_kmg}$
We plug in the known values to obtain:
$d=\frac{642}{(0.272)(71.5)(9.8)}$
$d=3.37m$