Update math syntax

 * backward (1) and the speedValue is greater than 3,000. (Usually, backward 

 * drives are far less than 50m long, and with maximum possible acceleration of 

 * 9 m/s^2 (see trigger conditions for LongAcc-ValueTooLarge), max attainable 

 * speed is $\sqrt{2*9*50}$ m/s, i.e., 3,000 cm/s.)

 * speed is $`\sqrt{2*9*50}`$ m/s, i.e., 3,000 cm/s.)

 *

 *   - `Speed-ChangeTooLarge`: The acceleration calculated from the change 

 * in speedValue of two consecutive CAMs meets the trigger conditions of 

 *

 * - _SetMbObsEtsiOnlyLongAcc_:

 *   - `LongAcc-ValueTooLarge`: The longitudinalAcceleration is greater 

 * than 90 dm/s^2. (Typical $\mu$ (coefficient of friction between asphalt and 

 * than 90 dm/s^2. (Typical $`\mu`$ (coefficient of friction between asphalt and 

 * rubber) is 0.9, so maximum possible acceleration is 0.9*9.8 m/s^2, i.e., 

 * 88.2 dm/s^2.)

 */