‘Gotta Hemi?’ High Speed Needed for Human Space Travel to Mars My Wise County

Streaking to Mars by 2020 or 2030 with several human beings aboard from low Earth orbit ang get there and back in a life sustainable period of time is one of the more challenging factors facing engineers and scientists this decade.
In more Earthly-terms, one can easily envision a race between a 3-cylinder subcompact car and a ‘muscle-car’ equipped with a super turbo-charged hemi across the United States. Assuming no operational failures, one might easily guess which vehicle would make the distance most rapidly.