There can be no answer since the two measures are incompatible. 80 cc is a measure of volume - of the engine cylinders whereas miles per hour is a measure of speed. The two measure diffeerent attributes and so conversion between the two is not valid.
127.38109440865345 Miles per Hour
657.0950374 miles per hour
88.85608 miles per hour
20 miles per hour
About 15 miles per hour.
127.38109440865345 Miles per Hour
216,000 miles per hour.
About 5.6 miles per hour.
70 miles per second is 252,000 miles per hour.
One km per hour is equal to 0.6214 miles per hour.
228 meters per hour = 0.14 miles per hour.
14.96 miles per hour.
About 3.4 miles per hour.
657.0950374 miles per hour
88.85608 miles per hour
20 miles per hour
80 miles per hour