What is estimated time enroute?

the time remaining before reaching a destination using the present speed and is typically used for navigation applications the time of day of an expected arrival at a certain destination and is typically used for navigation applications a device that measures the acceleration $($the rate of change of velocity$)$ of an item and is used to track truck speeds or taxicab speeds

$$ a GPS technology adventure game that posts the longitude and latitude location for an item on the Internet for users to find