http://hypertextbook.com/facts/2002/DavidParizh.shtml hypertextbook.com http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml 0.01 second 0.01 second http://hypertextbook.com/facts/2002/DavidParizh.shtml 100m/sec http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml 1 to 100 meters per second this http://hypertextbook.com/facts/2002/DavidParizh.shtml 0.01 second http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml http://hypertextbook.com/facts/2002/DavidParizh.shtml 0.01 second