This is one of those moments where having access to instantaneous magical abilities would be helpful. At present, however, that is not quite a situation she has rectified for herself, but luckily there are few resources better than one's own natural reflexes to react to sudden changes. while he scrambles, she gently pivots her angle, shifting to at least gently catch him so they're not both on a collision course with the ice, but temporarily gliding a little backwards while that momentum remains.

Of course it's a fair amount of exertion to do so without either of them falling over spectacularly, so it will be a moment for her to catch her breath to speak just yet so she can focus on keeping them upright.