TED-ED: If matter falls down, does antimatter fall up? - Chlo_ Malbrunot

Like positive and negative, or debit and credit, matter and antimatter are equal and opposite. So if matter falls down, does antimatter fall up? Chloe Malbrunot investigates that question by placing two atoms - one made of matter, and the other antimatter - in the cockpit of a plane, ready to jump. What do you think will happen?