Or a way to do it.

I am looking for a mod or a way to alter the game to...well, make time go slower. Days seem to pass in an instant in the original game, whereas The Sims 2 made it seem like you had a lot more time to do things. I dont know if this is because of motive decay speeds, or what...

I don't really know where to put this.

Any ideas?

I don't know the answer, I suspect it's a no, but regardless I strongly recommend you try asking at Simbless Oblige instead of here:-
http://simblesseoblige.com/index.php

I think there is a slowmotion cheat. Just look it up on google.

You can also use a cheat to set the clocks to any time you want.