If your turbo has a virtual flywheel (Neo has one, must be others) Rouvy at least, will continue to spin it at an appropriate speed if you are going downhill, and like in real life, you can increase speed.
I've moved from a Neo OG to a Kickr move, and this has a physical flywheel, so although you can freewheel on a downhill, and still pick up speed, the flywheel can (happy to be wrong here) completely stop, or at the very least slow down a lot, meaning that when you come to pedal again, presuming you have not shifted down the gears, it will feel like a major effort to get the cranks turning - unlike real life.
Personally if I rode a route in Rouvy (not a race) I wouldn't see this as any different to riding outside - in both scenarios I can work as hard, or not, as I choose - admittedly in Rouvy there will be no stops for traffic lights, roundabouts etc etc.
If I am riding a workout on TR or Rouvy, or a Race, I would definitely say that would be harder work than out on the road.
I've moved from a Neo OG to a Kickr move, and this has a physical flywheel, so although you can freewheel on a downhill, and still pick up speed, the flywheel can (happy to be wrong here) completely stop, or at the very least slow down a lot, meaning that when you come to pedal again, presuming you have not shifted down the gears, it will feel like a major effort to get the cranks turning - unlike real life.
Personally if I rode a route in Rouvy (not a race) I wouldn't see this as any different to riding outside - in both scenarios I can work as hard, or not, as I choose - admittedly in Rouvy there will be no stops for traffic lights, roundabouts etc etc.
If I am riding a workout on TR or Rouvy, or a Race, I would definitely say that would be harder work than out on the road.