correct - at 7,000 mph 19.44 miles in 10 seconds
AT Mach 10 ~7672 mph that’s 127.866 miles per minute
The Kinzhal flies at extremely high altitudes, possibly over 100 km, during the midcourse phase of its ballistic trajectory after being launched from an aircraft.
At an altitude of 100km, the speed of Mach 1 is around 1,000 km/h or 620 mph.