p = m*v

Assuming earth gravity (9.81m/s²)

m = W / g = 552 / 9.81 = 56.27kg

p = 56.27*1.22 = 68.65 kg.m/s (to 2 dp)

Momentum =mv

Your weight is ma where a is the acceleration due to gravity.

Take your weight and divide it by 9.8 then multiply you now mass by 1.22 which is you velocity.

therefore you have (552/9.8)x1.22= momentum