Shell.wind.v_at_rmax
====================
The velocity of a shell wind at the outer edge of the
shell - the variation of the velocity in the shell is
set by the velocity law exponent. It allows a gradient
to be enforced.

Type
  Double

Unit
  cm/s

Values
  Greater than or equal to 0

File
  `shell_wind.c <https://github.com/sirocco-rt/sirocco/blob/master/source/shell_wind.c>`_


Parent(s)
  * :ref:`Wind.type`: ``shell``