[it's a good thing Bart doesn't take offense too easily and all he does in response to the question is shrug calmly.]

Nah, Flash is my grandpa. I'm Impulse. [said proudly with a thumb pointed at himself because yeah he's proud of his lineage.] So what can you do with your full abilities? Probably really crash stuff, huh. Could you get us all out of this place with just a couple of words?