6:02
Chell creates a portal to the moon to defeat Wheatley. The speed is straight forward; the distance to the Moon is 384,400km.
Timeframe is 3.53 seconds.
T = 384,400km/3.53s
= 108895184/299792458 X 100
= 36.3235235% C
Not only does it reach the Moon in seconds, but there's a...