Originally Posted by
TierFlyer
Groundspeed could go to any theoretical maximum without affecting the airframe.
In fact, when the space shuttle is contra-rotating the ground speed is something like mach 25 or so.
Bada-boom! Physics baby!
And to the uninitiated to hear that their 700 MPH flight is showing an airspeed of something like 200-300 kts is mind-boggling.