Think fast!
In empty space, it travels about 186,282 miles per second
Light
If you're "cut to" this 5-letter word, you're injured deeply
The quick
To make "ox" an irregular plural
-en (oxen accepted)
50 rupees in this country of 1.2 billon
India
In the 1870s, this family including the brother Virgil settled in Tombstone, Arizona
Earp
In 1964, Japan went "ballistic" with the launching of this high-speed train that travels up to 185 miles per hour
The shinkansen (or bullet train)
Peachy this! It's also a wailing lament for the dead
Keen
To make "central" and "ceaseless" into adverbs
-ly
13 of these in Mexico
Pesos
In June, 1941, Hitler attacked the USSR, opening up this theatre of war, where Germany suffered 90% of its WWII combat deaths
The Eastern front
The world's fastest animal is this species of falcon whose diving speed can reach over 200 miles per hour
Peregrine falcon
"A word to the" this (& hopefully that's you right now): it means you're informed or in the know
Wise
To make "fashion" and "comfort" into adjectives
-able
0.75 of this monetary unit used by 17 countries
Euro
Edgar
In 2012, she went downhill fast enough to win her fourth overall World Cup title, the most of any American skier
(Lindsey) Vonn
Brilliant, like the "lights" in a"big city" title
Bright
To make "alphabet" and "digit" into verbs
-ize
1,200 dinars in this country; the U.S. officially ended some other business theres in December 2011
Iraq
He got Karl Marx to learn economics
Engels
As a test pilot, this future astronaut set a speed record in 1957, flying from Los Angeles to NYC in 3 hours 23 minutes
(John) Glenn
Mike Rogers is the chairman of the House's permanent select committe on this
Intelligence
To make "abnormal" and "similar" into nouns
-ity
8 queztales in this country bordered by Belize
Guatemala
In the 980s, he managed to make Greenland sound pleasant enough to get fellow Icelanders to join him there
Erik the Red