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Backtrace:

File: /home/estarbk/public_html/dev.estar-bk.com/application/controllers/Main.php
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Function: __construct

File: /home/estarbk/public_html/dev.estar-bk.com/index.php
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Backtrace:

File: /home/estarbk/public_html/dev.estar-bk.com/application/controllers/Main.php
Line: 8
Function: __construct

File: /home/estarbk/public_html/dev.estar-bk.com/index.php
Line: 315
Function: require_once

E-STAR - Student
E-Lecture - Escape Velocity

The minimum velocity with which a body has to be projected vertically upwards from the surface of the earth or from any other planet so that it just crosses the gravitational field of earth or that planet and never return on its surface is called escape velocity.