In The End of Time: Part 1 the Doctor meets Ood Sigma 100 years after the events of Planet of the Ood. The Doctor believe the advances in Ood civilization in the last 100 years are too much to be natural.
DOCTOR: Magnificent. Oh, come on, that is splendid. You've achieved all this in how long?
SIGMA: One hundred years.
DOCTOR: Then we've got a problem. Because all of this is way too fast. Not just the city, I mean your ability to call me. Reaching all the way back to the twenty first century. Something's accelerating your species way beyond normal.
The end of Time: Part 1. Transcript on Chakoteya.net.
In theory, shouldn't it be possible for the Ood civilization to advanced that much in 100 years on it's own?
As an intelligent, telepathic and peaceful race (thus no time spent fighting each other or someone else) they could've built all that in that time.
Or picked something up from another more advanced race, even without someone deliberately accelerating them?
What are the reasons that the Oods civilization couldn't progress that far in 100 years, without the help of deliberate acceleration?