Answer:
C
Step-by-step explanation:
The quotient of 17 divided by 10 is the fraction 17/10 or simplified 1 7/10, 1.7 or 1 R 7. It is NOT 10 / 17. C is the correct answer since it does not represent the quotient described.
Kinetic energy possessed by moving train is

.
And mass

.
The formula for kinetic energy is

.
Solve for velocity:


Now put in the data: