Since there is no mining going on there is no other choice than to do it in a few blocks otherwise it would stay stuck.
There have been dozens of coins that launched with the default bitcoin 400% difficulty swing intact, and each and every one has had their blockchain get stuck in this fashion.
So that begs the question, why would you launch a coin with such parameters?
Let me guess, you just read the foocoin tutorial and thought launching a coin would be a good idea?