But since black holes lack a surface , acceleration due to gravity increases exponentially , but never reaches a final value as there is no considered surface in a singularity .
Acceleration due to gravity is the greatest on the surface of any body .
Since black holes lack a surface , acceleration due to gravity increases exponentially , but never reaches a final value as there is no considered surface in a singularity .
Acceleration due to gravity is the greatest on the surface of any body .