It could also accelerate slower overall to a set speed with lower gearing, depending on which speed you can do in each gear, if you add another change you also have to add the time for this.
A two year old could work this out, just if you are not hot at maths go onto,
www.kabamus.com/garage/gears.html
input the ratio/s, tyres sizes etc and it does the rest for you.
tabetha