Speed increases

#1
Combustion Drive

With each level of the Combustion Drive developed, the speed of small and large cargo ships, light fighters, recyclers,
and espionage probes is increased by 10%.

Would not be better to put in that it is calculated from the base speed and not from the current speed

This also goes for the other engine types.
Regards NEO
"Only two things are infinite, the universe and human stupidity,
and I'm not sure about the former."