 
<translate> Ka yi la'akari da wannan tambayar. Wani mutum ya yi niyyar kammala tafiya mai nisan kilomita 24 a cikin sa'o'i 8. Idan yana tafiya da saurin 4km/hr na sa'o'i hudu na farko, da wane saurin yake bukatar tafiya don sauran tafiyar don ya kasance a kan lokaci? Menene tsarin tunani mataki-mataki don isa ga amsar: 2? <eng> Consider the question. A man intends to complete a journey of 24 km in 8 hours. If he travels at a speed of 4km/hr for the first four hours, at what speed does he need to travel for the remainder of the journey to be right on time?
 What is the step-by-step reasoning process to arrive at the answer: 2? 