Talk:Goku vs. Superman: Lead In Battle/@comment-5869016-20150218060346/@comment-5869016-20150220070923

... A stands for acceleration not speed.

Also relativity applies for relativistic speeds.

Even so, Trunks slicing Frieza in half would be far more notable as proof than Superman's lifting. Plus Trunks' attack actually has a correlation with striking strength and speed, unlike Superman's lifting feat.