A trash can is made out of a regular rectangular prism having a diagonal of the base 2 ft long. Inside the trash can there is a removable cylindrical bucket inscribed into the prism. The segment connecting one of the vertices of the top base of the prism with the center of the bottom base of the cylinder is making an angle of 78° with the bottom base. Find the volume of the removable evlindrical bucket. Round your answer to the nearest tenth. ​