Answer
Higher pitch than actual pitch, F note is actual pitch
Work Step by Step
$h=\frac{a}{1-\frac{s}{770}}$
50 mph, actual pitch is 329.63
$h=\frac{a}{1-\frac{s}{770}}$
$h=\frac{329.63}{1-\frac{50}{770}}$
$h=\frac{329.63}{1-.064935}$
$h=\frac{329.63}{.935065}$
$h=352.52$
