if nothing travels at the speed of light except of course light how does a black hole pull light into itself?

Question: if nothing travels at the speed of light except of course light how does a black hole pull light into itself?
- Keywords:
  black hole,
  hole,
  speed,
  travel
Asked by Bethany to Peter on 9 Nov 2016.
- Peter Boorman answered on 9 Nov 2016:
  
  Anything with mass can’t travel at the speed of light. Light can, because in theory light has no mass. However, the gravitational pull of a black hole is infinite, and so even light with no mass can’t escape the gravitational pull of a black hole!
  
  Peter

Question: if nothing travels at the speed of light except of course light how does a black hole pull light into itself?