A particle whose speed is `50 m//s` moves along the line from A(2,1) to B(9,25). Find its velocity vector in the form of `ahat(i)+bhat(j)`.

Options

A. `(7hat(i)+24hat(j)) m//s`
B. `2(7hat(i)+24hat(j))m//s`
C. `4(7hat(i)+24hat(j))m//s`
D. `5(7hat(i)+24hat(j))m//s`

Answer

B