A few straight forward feats which the values of are given to us directly!
1. Nebula's flight speed
Nebula is noted to be able to fly at over 800km/h, or 222.222222m/s.
2. Aqua's swimming speed
Betterman Aqua can swim at speeds of over 600 knots, or over 1000km/h. On average, 600 knots is...
The Expanse is a fun scifi series, and is quite easy to calc too! Let's start with the first book, Leviathan Wakes...
1. The calcs do themselves
Eros dodges the missile intended to launch it into the Sun. What's more, the author did the maths for us! 10 exajoules is equal to 2.3900573613767...