An increase in average speed of 1 km/h typi- cally results in a 3% higher risk of a crash involving injury, with a 4–5% increase for crashes that result in fatalities. — Speed also contributes to the severity of the impact when a collision does occur. Hope this helps!
<span>A tidally locked body in synchronous rotation (the moon) takes just as long to rotate around its own axis as it </span>does<span> to revolve around its partner (the earth). In other words, the moon spins on its axis at the same rate it orbits the earth.</span>