router speed dovetail jig- what is the best speed when using a porta cable 4210 jig making through dovetails? using a skil 1825 but only has numbers for speed.

Tonight is the first time on this forum so forgive me by starting my first post with my first dumb question! LOL!:no: When setting the speeds of the router, one thing remains in my mind that the larger radius bits (like 2 1/2" panel router bit) would require slower speeds than the bits with...