The answer depends on 0.28 WHAT! It should be obvious that the time taken to travel 0.28 inches will be somewhat different to the time taken for 0.28 light years!
10 mins
20 minutes !
1 hour 14 minutes.
At 30mph you are doing a mile every 2 minutes thereore to do 5.5 miles would take 11 minutes
360 miles
12miles
average of 30mph and can reach over 70mph
30 x 1.2 = 36 miles
0.746 secs
24 minutes
2.24 seconds
Traveling 30 miles in 1 hour, it takes 100/30 hours or 3 hours 20 minutes to travel 100 miles.