Objects categorized as 'Escapees' are defined by having achieved what specific velocity relative to the Sun?

Answer

Velocity sufficient to leave the Sun's primary gravitational influence

Escapees, such as the Voyager probes, are defined as objects that have been imparted enough velocity to travel beyond the primary gravitational influence of the Sun and head toward interstellar space.

Objects categorized as 'Escapees' are defined by having achieved what specific velocity relative to the Sun?
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