The conical pendulum shown above swings a mass $0\mathrm{.}8$ kg in a circle. The length of the string is $1\mathrm{.}4$ m at an angle $(\mathrm{\theta })$ of $28$ degrees from the vertical. Determine the velocity to the nearest $0\mathrm{.}01$ m$/$s$.($ use $10$ m$/$s$²\;$ for gravity$)$