It certainly appeared as though there was an equal 3-way split between RAP, FT and main queue when I was up near the station. I obviously can’t say whether this was the case for the entire period of time I was in the queue, but it was certainly the case for the whole period of time I was able to see into the station for. I wouldn’t have been at all surprised if this had been the case the entire time I was in the queue for given how high RAP/FT usage appeared to be around the park. I didn’t measure FT too much, but for some idea, RAP was getting around 1/5 of throughput on RMT (9 out of 46 riders were RAP on the cycle I was on), and RAP users were also consistently filling the back row on Nemesis (so around 1/8 of throughput).
For some idea, I started queueing near to the final turn on the ride, and that stretch of queue curving around the final turn and going up towards the station took around 45-50 minutes all in all. It was advertised 25, but had gone up to 50 by the time I got off the ride. The queue seemed to move very slowly… there were numerous moments where I thought I was “nearly there”, but it ended up taking a considerable amount of time even from those points.
In fairness, though, I’m not really sure what the park can do. You can’t really ostracise RAP users in favour of the main queue, and you can’t ostracise those who have paid for Fastrack either.