stupid question time again...
Discussion
The bullet would leave the gun at the speed of the sr71 plus's muzzle velocity, but would slow down pretty quickly due to air resistance, so yes the sr 71 would overtake it. If you fired a bullet from a Landover doing 30 mph, the bullet would slow down and stop but the land rover would carry on and that would overtake the bullet too.
Super Sonic said:
The bullet would leave the gun at the speed of the sr71 plus's muzzle velocity, but would slow down pretty quickly due to air resistance, so yes the sr 71 would overtake it. If you fired a bullet from a Landover doing 30 mph, the bullet would slow down and stop but the land rover would carry on and that would overtake the bullet too.
Fantastic answer 
In terms of "shooting yourself down", the bullet would follow a ballistic trajectory while the aircraft would presumably be generating lift from its wings (and fuselage, given the design) so the chances of flying into the bullet you just fired would be fairly low.
However, this happened: https://www.planeandpilotmag.com/news/pilot-talk/g...
The A-10 Thunderbolt used to have potentially serious problems with the gas from its 30mm canon. This could mess up the airflow, choke out and cause compressor stalls with the engines. The gun flash can also temporarily blind the pilot and the soot can blacken up the windscreen.
They tried all sorts of things from spinners on the gun barrel tip to a redesigned nose. In the end they changed the type or ammunition powder used and the engines ignition also fires automatically when the pilot pulls the gun trigger. So any engine that does flame out should restart immediately. It also has a compressed air and washer fluid system to deal with a sooty windscreen.
They tried all sorts of things from spinners on the gun barrel tip to a redesigned nose. In the end they changed the type or ammunition powder used and the engines ignition also fires automatically when the pilot pulls the gun trigger. So any engine that does flame out should restart immediately. It also has a compressed air and washer fluid system to deal with a sooty windscreen.
Super Sonic said:
The bullet would leave the gun at the speed of the sr71 plus's muzzle velocity, but would slow down pretty quickly due to air resistance, so yes the sr 71 would overtake it. If you fired a bullet from a Landover doing 30 mph, the bullet would slow down and stop but the land rover would carry on and that would overtake the bullet too.
Doesn’t that depend upon the Land Rover being reliable enough to outlast the bullet’s flight?
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