Question: In a 3GPP network, how is the velocity of a User Equipment (UE) reported when requested as part of positioning information, according to the Universal Geographical Area Description (GAD) specification?
Option 1: Always returned in a mandatory format
Option 2: Optionally returned in a specified format
Option 3: Returned in a standard geographical coordinate format without additional formatting
Option 4: Not reported as part of the positioning information
Explanation: The velocity of the UE may be optionally returned when requested, indicating that reporting is not mandatory but can be done if needed, following specific formatting guidelines.