That depends on the amount that you smoke and how often, not your height and weight.
2.55hours. Divide 140 by 55.
140 miles
1 hour 52 minutes.
2.8 hours
Dividing distance travelled by speed gives 140/70 = 2 hours.
It is 140 mi (about 2 hours 30 mins).
140 miles
105 minutes
Roughly 2 hours.
The original (made in 1984) is 126 minutes long and the reboot (made in 2010) is 140 minutes long.
Time = Distance/Speed = 100/140 = 0.714 hours = 43 minutes, approx.