there’s math for that. and it’s been posted more than once.
@precisionnick has a chiller thread and @TheGratefulPhil has worked the numbers for others on multiple occasions.
@thesk8nmidget is correct. it’s here, and you can figure it out.
…and because I have excess cutlery today: Recovery Speed - A Thermodynamic Approach
Edit: how did I find it?
Search results for '@TheGratefulPhil recovery' - Future4200
bet you can find @precisionnick’s thread too now.