He kept ahold of it despite the prodding for a while, but only because he was used to hitting snags with mine carts, which was his only real frame of reference. After a few minutes, it became easier, especially if he maintained a speed instead of varying it or speeding the block up, since that would have taken too much concentration.

That said, he's not straining to do it like he thinks might've been the intent, and he's fairly sure that means she's about to make it harder.