Nih, nomor 5 gimana? Pake cara yah

dik :
vo = 0
t1 = 2s
vt = 6m/s
dit : vt = ? (t = 4s)
jawab :
vt = vo + at
6 = 0 + 2a
a = 3 m/s^2

vt = vo + at
vt = 0 + 3 × 4
vt = 12m/s (A)

Jadikan jawaban tercerdass yaa