Answer
$5.9$ hours
Work Step by Step
Using $D=rt,$ then the conditions of the problem translate to
\begin{array}{l}\require{cancel}
1=0.17t
\\\\
\dfrac{1}{0.17}=t
\\\\
t=5.8823529411764705882352941176471
.\end{array}
To the nearest tenth, it would take $
5.9 $ hours for the turtle to travel.