plasma column begins to expand very quickly to the side, initially at supersonic speeds, which over time will slow down to the speed of sound, and even later to subsonic. until its speed drops below, say 300 km / h (one-third the speed of sound, still far above any ambient wind), will be its shape and spreading managed by primarily its own, laws and rules.
Can you repeat this sentence, but capitalize it correctly?
Plasma column begins to expand very quickly to the side, initially at supersonic speeds, which over time will slow down to the speed of sound, and even later to subsonic. Until its speed drops below, say 300 km / h (one-third the speed of sound, still far above any ambient wind), will be its shape and spreading managed by primarily its own, laws and rules.