A three inch elastic band is fastened to a wall at one end, and there is a bug at the free end. Every minute (beginning at time 0), the band is instantaneously and uniformly stretched by 1 inch, and then the bug walks 1 inch and 2 inch in every alternate minute towards the fastened end. The bug will reach the wall

1) in less than 3 minutes
2) in under 6 minutes, but more than 3 minutes.
3) in less than 10 minutes, but more than 6 minutes.
4) in less than an hour, but more than 10 minutes.
5) never.