This is the 10655th most frequent Swedish word.
krya
"Krya" means "to recover" or "to get better" (often related to health).
In this sentence, 'krya' is used metaphorically to mean 'to increase' the pace, showing a different, less literal usage.
Hon försöker krya upp farten.
She is trying to speed up the pace.
The word 'krya' is used in the phrase 'krya på dig', which is an idiomatic expression wishing someone a speedy recovery.
Krya på dig snart!
Get well soon!
Here, 'krya' is used in a reflexive form 'krya sig', indicating the act of recovering or improving one's health.