Super Mario is driving his Kart at a constant 40 m/s. Mario must accelerate to 50 m/s in a distance of 10 m in order to beat Bowzer at the finish line. What must Mario’s acceleration be?

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min

can somebody give me the answer so i can graduate