[video game] Up to 100 units could be controlled in the overhead two-dimensional mode. The three-dimensional mode featured a very simplistic and generic graphics interface for vehicle controls. Players could control British, American, or German forces. Weather effects were included, such as snow and rain falling in the 3D world, and terrain... Found on http://en.wikipedia.org/wiki/Muzzle_Velocity_(video_game)
Muzzle velocity is the speed of a projectile as it leaves the muzzle of a weapon. Unless the projectile operates under its own power the muzzle velocity is its highest speed. Found on http://www.encyclo.co.uk/local/20762
The speed of a projectile or a load of shot at the point that it exits the muzzle of a firearm, normally expressed feet per second. Found on http://www.hallowellco.com/abbrevia.htm