The accident happened around 5am on September 24th, with a witness saying the deceased was tossed into the air by the force of the speeding car.
Police Commissioner Auapa'au Logoitino Filipo said they obtained CCTV footage and eyewitness accounts to assist in their investigation.
The woman, a Chinese national, later died in hospital.
She has yet to be named.
Source:
RNZ Pacific