F-35's top speed is 1960 km/h it is approx 2000 for F-16.
EJ200 powered EF2000 and Snecma M88 powered Rafale can sustain a mach 1.5 supercruise but F135 powered F-35 can supercruise at mach 1.2 but only for 150 miles.
Nobody believes that there is ISIS presence in the turkman mountain other than russians. So , please stop it, it's meanless. Also RF should also stop publishing those airstrike videos because those bombings are too unaccurate you are ruining your international image.