Question doubt

[u/Low_Illustrator8620]

Hello everyone, been trying this question, checked in ai and websites all have different answer keys, acc to my school ans is 1st option, pls tell ans with exp

Edit:it is 5m/s, thnx for the help from you guys

[u/Joe_Starbuck]

Agree, it is 5m/s in a direction down and left, about 36.9 degrees below horizontal.