Dozy cow in a Kia Niro taxi. Does 30 in a 50. It's a bit cold but not exceptionally so. If you don't have the confidence as a professional driver to get near the speed limit on a straight road A road then you shouldn't be driving.
You give way to your right, not your rights right & once you're on the roundabout you have right of way so there's no need to stop to allow other people to go because it just confuses the crap out of everyone!