3 ms·

What does "closure rate" mean?

• j4yav 5y ago
  How fast they are approaching each other
  • sokoloff 5y ago
    Indeed. The rate at which the gap between them is closing => closure rate.
• thrill 5y ago
  Even more fun, since closure rate was often written as Vc (Vee sub See), pilots often spoke in terms of "opening" Vc (getting further away) and "closing" Vc.