This is the 15442nd most frequent Russian word.
предельная
"Предельная" means "extreme" or "ultimate" in English.
Here, 'предельная' is used to mean 'maximum,' referring to the upper limit or extreme value of speed.
Её предельная скорость так высока, что мы не успеваем её замерить.
Her maximum speed is so high that we can't manage to measure it.
In this sentence, 'предельная' refers to an 'extreme' situation, highlighting the boundary or critical point of a system.
Рассмотрим предельную ситуацию, чтобы понять пределы системы.
Let's consider the extreme situation to understand the limits of the system.
Here, 'предельная' denotes 'ultimate' or 'extreme,' referring to the maximum or final point in terms of height.