Congratulations on the new bike - I have a Raleigh Road Ace
and absolutely love it, such a well made frame in 531c with 531 forks. I rescued mine as a frame only from the local tip and at the moment have rebuilt it into a fixie but it'll probably end up back as Raleigh intended sometime in its life as I have most of the parts to do it.
Anyway, totally agree with Kermit above - I'd probably be looking at putting a smaller chain ring on the cranks, an easy probably most cost-effective solution.
Edit: As others got in before I pressed reply - the 28t freewheel would also work but don't buy one with more speeds than your current setup as it'll not index correctly (or at all) as I learned recently.
Enjoy riding it!