For 90° in 9 ms and a 57 mm cube, I get accelerations of 4.4 million degree per second squared and 225 g at a corner assuming equal and constant acceleration an

For 90° in 9 ms and a 57 mm cube, I get accelerations of 4.4 million degree per second squared and 225 g at a corner assuming equal and constant acceleration and deceleration during the turn.