I would say over 250 mph, it depends which c-17 you mean
400
15-17 mph.
17 mph or 25 mph
11-17 knots
About 17 mph
about 17-25 mph (weight dependent)
F-15C's can go Mach 2.5
My grandpa can get his up to almost 17 mph!
17 knots [as reported elsewhere on the internet]
The prototype traveled 200 mph (326 Kph)
246 knots
3c-25=17-c 3c+c=25+17 4c=42 c=10.5