'Multiplies the Vector by a sympifyable expression.
Parameters
other : Sympifyable
The scalar to multiply this Vector with
Examples
>>> from sympy.physics.vector import ReferenceFrame
>>> from sympy import Symbol
>>> N = ReferenceFrame(\'N\')
>>> b = Symbol(\'b\')
>>> V = 10 * b * N.x
>>> print(V)
10*b*N.x'

def __mul__(self, other):

    newlist = [v for v in self.args]
    for (i, v) in enumerate(newlist):
        newlist[i] = ((sympify(other) * newlist[i][0]), newlist[i][1])
    return Vector(newlist)
