In which situation will speed indications on an airborne Distance Measuring Equipment (DME) most closely represent the groundspeed of an aircraft flying at FL400?

Question

Question ATPL - Airline Transport Pilot license - Radio Navigation

QuizVDS · Accepted Answer

An ADF sited on the flight route

QuizVDS · Answer

When overhead the station, with no change of heading at transit

QuizVDS · Answer

When passing abeam the station and within 5 NM of it

QuizVDS · Answer

When tracking directly away from the station at a range of 10 NM

Id 196 - ATPL - In which situation will speed indications on an airborne Distance Measuring Equipment (DME) most closely represent the groundspeed of an aircraft flying at FL400?