How many seconds do you reckon it takes to pass a cyclist if you are capable of going from 20mph to 40mph in about 4 seconds? Swerving and gunning it hardly see

How many seconds do you reckon it takes to pass a cyclist if you are capable of going from 20mph to 40mph in about 4 seconds? Swerving and gunning it hardly seems necessary if you have any visibilty whatsoever.