Accurate readings from an accelerometer require that

a$)$ the frequency ratio be greater than $3.$

b$)$ the mass of the resonator be large.

c$)$ that the driving frequency be much greater than the natural frequency.

d$)$ the frequency ratio be much less than $1.$

e$)$ the damping ratio be greater than $1.$

The percent error in a vibrometer with a frequency ratio of $r=3$ and negligible damping