GetTargetVehicleSpeedByPed
Retrieve the speed of a ped's vehicle.
The speedMultiplier parameter can be adjusted per server to get more accurate speed values.
Parameters:
- dwPED: PED pointer
- speedMultiplier: (float) Optional speed multiplier (default: 1.43)
Returns: Vehicle speed as float, or -1 on failure
Signature:
GetTargetVehicleSpeedByPed(dwPED, speedMultiplier := 1.43)