noun
terminal velocity
Physics term for the constant speed reached when the net force on a falling object becomes zero.
雨粒は終端速度に達すると、それ以上加速しない。
Once a raindrop reaches terminal velocity, it no longer accelerates.
Compound of 終端 (terminal, endpoint) and 速度 (speed, velocity). A direct calque of the English physics term 'terminal velocity'.