It is said that black holes exist and are therorized to be very very abundant throughout the universe. These black holes are said to be sucking everything up around it, including light. It is also said that the universe is ever expanding, and that expansion is accelerating. How can the universe expand while at the same time billions and billions of black holes are sucking everything up around them? At the very least should there not be a De-acceleration of the universes' expansion?