If nothing travels at the speed of light, how can a black hole also pull light into itself?

Question: If nothing travels at the speed of light, how can a black hole also pull light into itself?
- Keywords:
  black hole,
  speed of light,
  travel
Asked by Bethany to Peter on 15 Nov 2016.
- Peter Boorman answered on 15 Nov 2016:
  
  Hi Bethany,
  
  THAT is a great question. The idea is that black holes are *so* heavy, that even something with no mass, such as light, can’t escape a black holes gravitational pull!
  
  Peter

Question: If nothing travels at the speed of light, how can a black hole also pull light into itself?