Two students are pushing identical boxes across identical rough floors, such that the boxes speed up$.$

Student A applies a force F$,$ and the box accelerates at $8$ m$/$s$2.$

Is student B applies a force $2$F$,$ what is the acceleration of the box?

Neglect air resistance.$$

more than $16$ m$/$s$2$

not enough information to tell

less than $16$ m$/$s$2$

$16$ m$/$s$2$