If the majority of students in your class are weak, as a teacher you should

Slowing the pace for weak students while giving the bright ones some extra guidance serves the whole class fairly.

Not caring about the intelligent students neglects one section of the class.

Keeping the pace fast leaves the weak majority even further behind.

Merely keeping teaching slow helps the weak but wastes the potential of the bright.

Attending to individual differences is central to inclusive teaching.

Differentiated instruction adjusts pace and tasks to varied ability levels.