A skydiver leaps out of a helicopter that is stationary and soon attains a constant vertical speed. She then deploys her parachute. Which statement about the falling skydiver is correct?
- AAs her parachute opens, her acceleration is upwards.
- BAs she falls at a steady speed with her parachute open, her weight is zero.
- CWhen she accelerates, the resultant force on her is zero.
- DWhen she falls at a steady speed, air resistance is zero.