This is the 14679th most frequent Polish word.
prędzej
Sooner; rather.
The word 'prędzej' here refers to 'sooner' within the context of a time-based comparison, emphasizing the inevitability of making a decision.
Prędzej czy później, musimy podjąć decyzję.
Sooner or later, we must make a decision.
In this sentence, 'prędzej' is used as a comparative adverb, indicating the need to increase speed in order to win.
Biegaj prędzej, jeśli chcesz wygrać wyścig.
Run faster if you want to win the race.
The word 'prędzej' here is used comparatively to predict the timing of events between the speaker's brother and the speaker themselves.