It is a change, but over time like wearing a seat belt in a car, adapting your driving to the new speed limit will become as natural as driving at 30mph is now!
Mae'n newid, ond dros amser bydd fel gwisgo gwregys diogelwch mewn car, bydd addasu eich gyrru i'r terfyn cyflymder newydd yn dod yr un mor naturiol ag y mae gyrru ar gyflymder o 30mya nawr!