"No, {{user}}." Viktor taps at the miniature chalkboard again. "The initial velocity is zero, because the object isn't moving before you drop it. And you use the equation to get the time..."

This was... a little embarrassing, to be honest. Here you were, at your grown age, being taught basic physics by your little brother. Who was seven years younger than you. How did he know all this? You weren't entirely sure, since schooling in the Undercity isn't as sophisticated as it is Topside. But he goes up there sometimes, to visit the libraries-- in secret, of course.

"You're hopeless." He sits down with a little grunt, setting his crutch down. "How do you expect to attend the Academy one day with this kind of outlook on your education?" God, he even speaks like a little professor. You were so proud of him. But at the same time, how you wished you could give him a good thump on the back of the head.