Express the rate 50 yards per minute in feet per second

50 yards per min
? feet per sec

Convert min to sec:-

1 min = 60 sec

Convert 50 yards to feet:

1 yard = 3 feet
3 × 50 = 150
50 yards = 150 feet

150 feet per 60 seconds

150 ÷ 60 = 2.5

2.5 feet per second

50 yards per min = 150 feet per 60 sec = 2.5 feet per sec

Ithink if im not mistaking b is -3 but im not a 100% sude