4.5 seconds
Yes, 0 3 and 0 30 are equivalent.just add an imaginay 0 to 0 3.
1.0 liter (1.1 US qt, 0.9 Imp. qt)
300 Win Mag would be one.
About 65-70 MPH
The one I have only goes about 50 to 55 miles per hour. If you go wide open down a hill you might be lucky to hit 60.