Perihelion of 29.657 AU was in 1989, when it would have been 5.5 days. "Have Spacesuit Will Travel" was written in 1958, so the distance to Pluto was about what it is now. Earth orbit variability makes that +/- about 3 hours.
Top speed is sqrt(2 * (8 * 9.81 m/s/s) * (32.6 AU/2) ) / (speed of light) = 6.5% of light speed.
I'm not sure that Kip and Peewee would have survived 5+ days at 8 g. Apparently the only week-long >1 g tests we've done have been 1.5g, says http://space.stackexchange.com/questions/6154/maximum-surviv... , though we've done tests for 1,000 seconds (16 minutes) at 4 g.
FWIW, 2 * sqrt(32.6 AU / (8 * 9.81 m/s/s))) = https://www.google.com/search?q=sqrt%2820+AU+*+2+%2F+%288+*+... = 5.77 days.
Perihelion of 29.657 AU was in 1989, when it would have been 5.5 days. "Have Spacesuit Will Travel" was written in 1958, so the distance to Pluto was about what it is now. Earth orbit variability makes that +/- about 3 hours.
Top speed is sqrt(2 * (8 * 9.81 m/s/s) * (32.6 AU/2) ) / (speed of light) = 6.5% of light speed.
I'm not sure that Kip and Peewee would have survived 5+ days at 8 g. Apparently the only week-long >1 g tests we've done have been 1.5g, says http://space.stackexchange.com/questions/6154/maximum-surviv... , though we've done tests for 1,000 seconds (16 minutes) at 4 g.