A particle moves in a plane along an elliptic path given by `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1` At point (0, b), the x-component of velocity is u. The y-component of acceleration at this point is-

Options

A. `-bu^(2)//a^(2)`
B. `-u^(2)//b`
C. `-au^(2)//b^(2)`
D. `-u^(2)//a`