According to our current understanding of physics, it is not possible for objects with mass, such as black holes, to travel faster than the speed of light. The theory of special relativity, proposed by Albert Einstein, states that the speed of light in a vacuum is the maximum speed at which information or matter can travel.
If we consider a hypothetical scenario where two black holes somehow managed to exceed the speed of light and collide, it would lead to several paradoxes and violations of fundamental physical principles.
Causality Violation: If the black holes were traveling faster than light, information about their collision would propagate backward in time. This would violate the principle of causality, as events would be observed to occur before their causes.
Relativity Violation: Special relativity predicts that as an object with mass approaches the speed of light, its mass increases, and the energy required to accelerate it further becomes infinite. So, exceeding the speed of light would require infinite energy, which is not possible within the framework of our current understanding of physics.
Singularity Formation: When two black holes collide, they merge to form a larger black hole. This process is governed by the laws of general relativity. However, if the black holes were moving faster than light, the dynamics of the collision would be poorly understood, and it is unclear how a singularity would form or how the laws of general relativity would apply in such a scenario.
It's important to note that the concept of black holes traveling faster than light is purely speculative and not supported by scientific evidence or our current theoretical framework. Our understanding of the laws of physics suggests that objects with mass cannot exceed the speed of light.