This is the 617th most frequent Russian word.
быстрее
Faster.
In this sentence, 'быстрее' conveys urgency, requesting a quicker completion of an action.
Прошу тебя, сделай это быстрее.
I ask you to do this faster.
The word 'быстрее' is used here as a comparative adverb to indicate a higher speed in comparison to 'friends'.
Я иду быстрее своих друзей.
I walk faster than my friends.
'Быстрее' here emphasizes the increased efficiency or quicker time in the process of remembering.