A basketball player's hang time is the time spent in the air when shooting a basket. The formula
/?f=t%3D%20%5Cfrac%7B%20%5Csqrt%7Bd%7D%20%7D%7B2%7D%20" id="TexFormula1" title="t= \frac{ \sqrt{d} }{2} " alt="t= \frac{ \sqrt{d} }{2} " align="absmiddle" class="latex-formula"> models hang time, t, in seconds, in terms of the vertical distance of a player's jump, d, in feet. When a particular player dunked a basketball, his hang time for the shot was approximately 1.09 seconds. What was the vertical distance, d, of his jump, rounded to the nearest tenth?