My impression of Isabeau last year in Montreal was that she skated with nice speed when she wasn’t entering a jump. She slowed down considerably going into the jumps though. She is capable of skating with an above average amount of speed, but she wasn’t doing it for the whole program. Not sure if it looked different than this here or not.
She acknowledged last season that this was a problem for her when she gets nervous and she said she was working not to do that. Even if she didn't slow down for the jumps at Worlds, I thought it would be difficult for her to be up to full speed given how much training time she lost and that she couldn't even walk without pain. But, from what we're hearing, it seems like her team was able to help her a lot and she still had pretty good speed.