"Ted and John wanted to" joke

Ted and John wanted to get away from the countryside and see the world. One
day Ted said to his brother "You know, we could do really well setting up
our bungee-jumping service in Mexico".
John thought this was a great idea, so the two pooled their money and
bought all the equipment they needed.
They traveled to Mexico and began to set up a tower near the center of the
town for good publicity. As they began building the tower, a crowd
assembled nearby. Slowly more and more people gathered to watch them work.
They were excited at having such a big audience that Ted decided to jump
and show his prospective clients all about bungee jumping.
He bounced at the end of the cord. When he came back up, John noticed that
he had a few cuts and scratches. As he flew by, John asked if the cord was
too long. Unfortunately, he wasn't able to catch him. So Ted fell again,
bounced and came back up.
This time Ted was seriously bruised and bleeding. Again, John just missed
catching him and asked if the cord was too long.
Ted fell a third time. This time, when he bounced back, he was a complete
mess with a couple of broken bones and was almost unconscious.
Luckily, John finally caught his brother and said "What happened? Was the
cord too long?"
Ted said, "No, the cord was fine, but what in the world is a pi