Question 1032939
In terms of just units:
[ yds / min ] x [ ft / yd ] x [ miles / ft ] x [ min / hr ] = [ miles / hr ]
{{{ ( 440 / 1 )*( 3 / 1 )*( 1 / 5280 )*( 60 / 1 ) }}}
{{{ 1320*( 60 / 5280 ) }}}
{{{ 79200 / 5280 = 15 }}}
15 mi/hr average speed