Quick calc for Positron Cannon based on this post by Vicious.
Just gonna do the fastest beam, which happens to be the one from Tamachi Station to Sapporo.
According to this site, Sapporo is 837.04 km from Tamachi Station in Tokyo.
837040m/3s=279013.333333333333m/s
or about Mach 821
Just gonna do the fastest beam, which happens to be the one from Tamachi Station to Sapporo.
According to this site, Sapporo is 837.04 km from Tamachi Station in Tokyo.
837040m/3s=279013.333333333333m/s
or about Mach 821
