how much faster was olga tereshkova's time compared to mahjeet kaur?
.31
Rank Lane Athlete Time
5 Olga Tereshkova (KAZ) 51.86
6 Manjeet Kaur (IND) 52.17
3 Asami Tanno (JPN) 53.04
4 4 Pinki Pramanik (IND) 53.06
5 1 Tang Xiaoyin (CHN) 53.66
6 8 Marina Maslyonko (KAZ) 53.99
7 7 Mayu Kida (JPN) 54.27
8 2 Chandrika Subashini (SRI) 56.57
csv/204-csv/937.tsv