Significats de subsonic speeds en anglès

We've been flying at subsonic speeds like total lame-o's since the Concorde left service in 2003.

The Sizzler starts at subsonic speeds.

If you throw a ball, or shoot a bullet at subsonic speeds, this model probably works just fine.

Yet the traveling public is still stuck at the relatively slow, certainly subsonic speeds of passenger jets, for now.

The earlier Russian tests were hybrid ramjets -slightly different, with oxygen only moving at subsonic speeds inside the engine.

After being launched from an aircraft, the X-51A fires its conventional rocket booster, which builds up subsonic speeds before the missile's supersonic ramjet kicks in.