Respuesta :

Speed (v) could be determined using this following formula
v = distance ÷ time

plug in the numbers
v = [tex] \frac{1}{3} : \frac{1}{9} [/tex]
v = [tex]\frac{1}{3} \times \frac{9}{1}[/tex]
v = 9/3
v = 3

The speed is 3 miles per hour